Thanks Jason, I thought about it. Since we are running the ancient Debian Etch on this unit, I have no access to ethtool, with which I understand that you can switch to 100mpbs. Is there any other way to force 100mbps operation?
Cheers, Ramesh > On 17. Apr 2020, at 15:10, Jason Manley <jman...@ska.ac.za> wrote: > > Can you try it with a 100mbps link partner? ROACH1's PHY was notoriously > fickle at 1Gbps. We never did get to the bottom of it, even with Nat.Semi's > support, and switched PHYs on ROACH2. > > Jason Manley > DSP Manager > SKA-SA > > Cell: +27 82 662 7726 > Work: +27 21 506 7300 > >> On 17 Apr 2020, at 14:56, Ramesh Karuppusamy <ram...@mpifr-bonn.mpg.de> >> wrote: >> >> Dear All, >> >> I hope you are all staying healthy. >> >> The gigabit ethernet on our ~10 year old ROACH1 board went silent all of a >> sudden this morning. The ethernet port show no activity (the yellow LED >> flickers very occasionally). On booting the unit off the SD card, and >> manually bringing up the interface shows the following message on the serial >> console and keeps repeating: >> >> eth0: link is down >> root@roach:~# eth0: link is up, 1000 FDX >> eth0: link is down >> eth0: link is up, 1000 FDX >> eth0: link is down >> >> The board does not respond to pings either. >> >> I tried a different cable, a differ port on the switch, and opened up the >> board to examine the said port - nothing looks suspicious. Does anyone have >> an idea on what could be the issue here? >> >> Thanks in advance for any of your suggestions! >> >> Cheers, >> Ramesh >> >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "casper@lists.berkeley.edu" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to casper+unsubscr...@lists.berkeley.edu. >> To view this discussion on the web visit >> https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/0B08CEC2-D030-436C-8E67-E73911E0110B%40mpifr-bonn.mpg.de. > > -- > You received this message because you are subscribed to the Google Groups > "casper@lists.berkeley.edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to casper+unsubscr...@lists.berkeley.edu. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/0A041622-FCCD-4551-9A15-BE87F451B901%40ska.ac.za. -- You received this message because you are subscribed to the Google Groups "casper@lists.berkeley.edu" group. To unsubscribe from this group and stop receiving emails from it, send an email to casper+unsubscr...@lists.berkeley.edu. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/2487C99F-4DC7-4A14-941F-A5921179D07D%40mpifr-bonn.mpg.de.
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